212012122301312 has 16 divisors (see below), whose sum is σ = 422367899897400. Its totient is φ = 106006061150592.

The previous prime is 212012122301257. The next prime is 212012122301489. The reversal of 212012122301312 is 213103221210212.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 828172352612 + ... + 828172352867.

Almost surely, 2^{212012122301312} is an apocalyptic number.

It is an amenable number.

212012122301312 is a deficient number, since it is larger than the sum of its proper divisors (210355777596088).

212012122301312 is an equidigital number, since it uses as much as digits as its factorization.

212012122301312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656344705493 (or 1656344705481 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 212012122301312 its reverse (213103221210212), we get a palindrome (425115343511524).

The spelling of 212012122301312 in words is "two hundred twelve trillion, twelve billion, one hundred twenty-two million, three hundred one thousand, three hundred twelve".